Description

7H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-One, 2,3-Dihydro- (9Ci) is a specialized heterocyclic organic compound, identified by CAS number 744991-61-5, that serves as a critical building block in advanced chemical synthesis. Its fused triazolopyrimidine core structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals. This high-purity compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of nucleoside analogs and other potential therapeutic agents targeting viral and oncological pathways.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and plant growth regulators.
• Chemical Biology Probe: Serves as a versatile building block for creating molecular probes to study enzyme function and biological mechanisms.
• Material Science Research: Investigated for the development of novel organic electronic materials and ligands for metal-organic frameworks (MOFs).
• Academic & Industrial R&D: Employed in discovery chemistry programs for structure-activity relationship (SAR) studies and library synthesis.

Basic Information

Product Name	7H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-One, 2,3-Dihydro- (9Ci)
CAS No.	744991-61-5
Molecular Formula	C4H3N5O
Molecular Weight	137.10 g/mol
Synonyms	2,3-Dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one; 1H-1,2,3-Triazolo[4,5-d]pyrimidin-7-ol, 2,3-dihydro-; 744991-61-5; Triazolopyrimidinone derivative; [1,2,3]Triazolo[4,5-d]pyrimidin-7(6H)-one, 2,3-dihydro-; DHTP; Light-sensitive triazolopyrimidine
EINECS	Contact for details

Quality Control

Our production of 7H-1,2,3-Triazolo[4,5-D]Pyrimidin-7-One, 2,3-Dihydro- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your regulatory and quality documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to prevent moisture absorption. Handle and store in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.